| Nishanth Menon | fd1478c | 2010-12-09 09:13:46 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * OMAP3 OPP table definitions. |
| 3 | * |
| 4 | * Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/ |
| 5 | * Nishanth Menon |
| 6 | * Kevin Hilman |
| 7 | * Copyright (C) 2010 Nokia Corporation. |
| 8 | * Eduardo Valentin |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | * |
| 14 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any |
| 15 | * kind, whether express or implied; without even the implied warranty |
| 16 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | */ |
| 19 | #include <linux/module.h> |
| 20 | |
| 21 | #include <plat/cpu.h> |
| 22 | |
| 23 | #include "omap_opp_data.h" |
| 24 | |
| 25 | static struct omap_opp_def __initdata omap34xx_opp_def_list[] = { |
| 26 | /* MPU OPP1 */ |
| 27 | OPP_INITIALIZER("mpu", true, 125000000, 975000), |
| 28 | /* MPU OPP2 */ |
| 29 | OPP_INITIALIZER("mpu", true, 250000000, 1075000), |
| 30 | /* MPU OPP3 */ |
| 31 | OPP_INITIALIZER("mpu", true, 500000000, 1200000), |
| 32 | /* MPU OPP4 */ |
| 33 | OPP_INITIALIZER("mpu", true, 550000000, 1270000), |
| 34 | /* MPU OPP5 */ |
| 35 | OPP_INITIALIZER("mpu", true, 600000000, 1350000), |
| 36 | |
| 37 | /* |
| 38 | * L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is |
| 39 | * almost the same than the one at 83MHz thus providing very little |
| 40 | * gain for the power point of view. In term of energy it will even |
| 41 | * increase the consumption due to the very negative performance |
| 42 | * impact that frequency will do to the MPU and the whole system in |
| 43 | * general. |
| 44 | */ |
| 45 | OPP_INITIALIZER("l3_main", false, 41500000, 975000), |
| 46 | /* L3 OPP2 */ |
| 47 | OPP_INITIALIZER("l3_main", true, 83000000, 1050000), |
| 48 | /* L3 OPP3 */ |
| 49 | OPP_INITIALIZER("l3_main", true, 166000000, 1150000), |
| 50 | |
| 51 | /* DSP OPP1 */ |
| 52 | OPP_INITIALIZER("iva", true, 90000000, 975000), |
| 53 | /* DSP OPP2 */ |
| 54 | OPP_INITIALIZER("iva", true, 180000000, 1075000), |
| 55 | /* DSP OPP3 */ |
| 56 | OPP_INITIALIZER("iva", true, 360000000, 1200000), |
| 57 | /* DSP OPP4 */ |
| 58 | OPP_INITIALIZER("iva", true, 400000000, 1270000), |
| 59 | /* DSP OPP5 */ |
| 60 | OPP_INITIALIZER("iva", true, 430000000, 1350000), |
| 61 | }; |
| 62 | |
| 63 | static struct omap_opp_def __initdata omap36xx_opp_def_list[] = { |
| 64 | /* MPU OPP1 - OPP50 */ |
| 65 | OPP_INITIALIZER("mpu", true, 300000000, 1012500), |
| 66 | /* MPU OPP2 - OPP100 */ |
| 67 | OPP_INITIALIZER("mpu", true, 600000000, 1200000), |
| 68 | /* MPU OPP3 - OPP-Turbo */ |
| 69 | OPP_INITIALIZER("mpu", false, 800000000, 1325000), |
| 70 | /* MPU OPP4 - OPP-SB */ |
| 71 | OPP_INITIALIZER("mpu", false, 1000000000, 1375000), |
| 72 | |
| 73 | /* L3 OPP1 - OPP50 */ |
| 74 | OPP_INITIALIZER("l3_main", true, 100000000, 1000000), |
| 75 | /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */ |
| 76 | OPP_INITIALIZER("l3_main", true, 200000000, 1200000), |
| 77 | |
| 78 | /* DSP OPP1 - OPP50 */ |
| 79 | OPP_INITIALIZER("iva", true, 260000000, 1012500), |
| 80 | /* DSP OPP2 - OPP100 */ |
| 81 | OPP_INITIALIZER("iva", true, 520000000, 1200000), |
| 82 | /* DSP OPP3 - OPP-Turbo */ |
| 83 | OPP_INITIALIZER("iva", false, 660000000, 1325000), |
| 84 | /* DSP OPP4 - OPP-SB */ |
| 85 | OPP_INITIALIZER("iva", false, 800000000, 1375000), |
| 86 | }; |
| 87 | |
| 88 | /** |
| 89 | * omap3_opp_init() - initialize omap3 opp table |
| 90 | */ |
| 91 | static int __init omap3_opp_init(void) |
| 92 | { |
| 93 | int r = -ENODEV; |
| 94 | |
| 95 | if (!cpu_is_omap34xx()) |
| 96 | return r; |
| 97 | |
| 98 | if (cpu_is_omap3630()) |
| 99 | r = omap_init_opp_table(omap36xx_opp_def_list, |
| 100 | ARRAY_SIZE(omap36xx_opp_def_list)); |
| 101 | else |
| 102 | r = omap_init_opp_table(omap34xx_opp_def_list, |
| 103 | ARRAY_SIZE(omap34xx_opp_def_list)); |
| 104 | |
| 105 | return r; |
| 106 | } |
| 107 | device_initcall(omap3_opp_init); |